Acura TSX vs Kia Optima Dimensions & Size Comparison
Comparing 2011 catalog dimensions. Acura TSX · Kia Optima
- Length185.6 in – 189.2 in
- Height56.7 in – 57.9 in
- Wheelbase106.4 in
- Curb weight3,400 lb – 3,680 lb
- Width72.4 in
- Kia Optima width72.1 in
Which is bigger?
- Length: Acura TSX is 3.3 in shorter (187.4 in vs 190.7 in)
- Width: Kia Optima is 0.3 in narrower (72.4 in vs 72.1 in)
- Height: essentially the same
- Wheelbase: Kia Optima has a 3.6 in longer wheelbase (106.4 in vs 110.0 in)
- Curb weight: Acura TSX is 245 lb heavier (3,540 lb vs 3,296 lb)
Biggest size differences
- Curb weight: Acura TSX is 245 lb heavier (3,540 lb vs 3,296 lb)
- Wheelbase: Kia Optima has a 3.6 in longer wheelbase (106.4 in vs 110.0 in)
- Length: Acura TSX is 3.3 in shorter (187.4 in vs 190.7 in)
- Width: Kia Optima is 0.3 in narrower (72.4 in vs 72.1 in)
Practical verdicts
- Easier to fit in a short garageAcura TSX — Acura TSX is shorter by 3.3 in Check garage fit for Acura TSX · garage fit for Kia Optima
- Narrower for tight parkingKia Optima — Kia Optima is narrower by 0.3 in
- Smaller exterior footprintAcura TSX — Based on length × width (Acura TSX)
Dimension comparison
| Spec | Acura TSX | Kia Optima | Difference |
|---|---|---|---|
| Length | 187.4 in | 190.7 in | 3.3 in |
| Width | 72.4 in | 72.1 in | 0.3 in |
| Height | 57.3 in | 57.3 in | 0.0 in |
| Wheelbase | 106.4 in | 110.0 in | 3.6 in |
| Curb weight | 3,540 lb | 3,296 lb | 245 lb |
Values use trim midpoints when a model year lists a range (e.g. length 185.6 in – 189.2 in).
Compare by year
Overlapping model years with dimension data.
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